Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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fill in the blank. the classical approach to probability requires that …
equally likely.
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the results of a survey of customers at a pet supply store showed that …
56
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in a test of a sex - selection technique, results consisted of 209 fema…
The probability that a female will be born using this technique is approximately \(0.977\). The answer to "Does the technique appear effective in improving the likelihood of havin…
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in a test of a sex - selection technique, results consisted of 209 fema…
\(0.977\)
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in a genetics experiment on peas, one sample of offspring contained 410…
B. No, it is not reasonably close.
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in a genetics experiment on peas, one sample of offspring contained 410…
\(0.555\)
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a modified roulette wheel has 28 slots. one slot is 0, another is 00, a…
\(20.77\)
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a modified roulette wheel has 28 slots. one slot is 0, another is 00, a…
The profit is \(\$18\)
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5. during the month of august, the mean of the daily rainfall in a city…
a. \( 2\leq n\leq4 \) (where \( n \) is the number of players on a team) b. \( p = 80 \) c. \( 0\leq P<80 \) (where \( P \) is the number of points Han's team earns) d. \( N=2\tim…
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the number of chocolate chips in an 18 - ounce bag of chocolate chip co…
(a) \(0.8536\) (b) \(0.0582\) (c) \(0.6554\)
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find the mode for the five - day simple moving average for the followin…
There is no mode for this data set of five - day simple moving averages.
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what does it mean to be a refugee? - benedetta berti 3. what is a commo…
A refugee camp
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find the range, mean, and standard deviation of the data set {7, 8, 11,…
The range is \(11\), the mean is \(12\), and the standard deviation is \(4.20\)
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the mean number of bankruptcies filed per hour by businesses in a count…
(a) The variance is \(2.7\), the standard deviation is \(1.64\). The correct interpretation is B. (b) At least \(6\)
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for the following set of numbers, find the median. 35, 52, 48, 27, 32, …
\(37\)
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40.1% of consumers believe that cash will be obsolete in the next 20 ye…
\(0.259\)
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the mean number of bankruptcies filed per hour by businesses in a count…
a) Variance: \(2.7\), Standard deviation: \(1.64\) b) Interpretation: B. The number of bankruptcies usually differs from the mean by no more than the standard deviation number of …
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the mean number of bankruptcies filed per hour by businesses in a count…
The standard deviation is approximately $1.64$.
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the mean number of bankruptcies filed per hour by businesses in a count…
(a) The variance is \(2.7\)
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6. the number of points jadas basketball team scored in their games hav…
The mean of \(44\) is the average number of points per game. The standard deviation of about \(15.7\) measures the spread of points around the mean.
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find the mean for the data items in the given frequency distribution. t…
\(6.020\)
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telecommuting means * using an office as a telecommunications center se…
D. working via communication technology instead of going to an office
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the numbered disks shown are placed in a box and one disk is selected a…
\(\frac{1}{4}\)
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solve the inequality $x + 3 \\leq -1$. $x + 3 \\leq -1$ $-3 - 3$ $x \\l…
The solution of the inequality \(x + 3\leq - 1\) is \(x\leq - 4\)
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the woodshop teacher found 5 open jars of the same wood stain. the grap…
\(\frac{3}{5}\) cup
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use the fact that the mean of a geometric distribution is \\( \\mu=\\fr…
A. You would expect to make money. On average you would win $1000$ once in every $100$ times you play. So the net gain would be $900$.
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edna likes to go for walks with her dog. this graph shows how long she …
6 hours
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system a line 1: ( y = x - 3 ) line 2: ( y = x + 1 ) this system of equ…
- System A: inconsistent, no solution - System B: consistent independent, a unique solution \((0,-2)\) - System C: consistent dependent, infinitely many solutions
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an ice chest contains 8 cans of apple juice, 6 cans of grape juice, 5 c…
\(\frac{4}{209}\)
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system a line 1: $y = \\frac{1}{3}x + 3$ line 2: $-x + 3y = 9$ this sys…
- System A: consistent dependent, infinitely many solutions. - System B: consistent independent, a unique solution \((0,3)\). - System C: inconsistent, no solution.
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this line plot shows the weights of some kittens. weights of kittens wh…
$\frac{5}{8}$ of a pound
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a fair coin is tossed three times in succession. the set of equally lik…
\(\frac{3}{8}\)
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ch 17 - population sigma known (σ) example 1: the mean length of certai…
The data does not support the builder's claim at \(\alpha = 0.05\)
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mr. hoffman recorded the amount he spent on gas each month to see if it…
The rate of change is greater between April and May.
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a school administrator who was concerned about grade inflation looked o…
The rate of change was greater between 2011 and 2012.
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angie was in charge of keeping attendance for a local summer camp each …
Between 2020 and 2021
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according to the table, what was the rate of change between friday and …
\(6\)
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use the fact that the mean of a geometric distribution is $\\mu=\\frac{…
\(100\)
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percy kept track of how long it took to finish his homework each day. t…
\(2\)
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a restaurants average food preparation time was tracked from day to day…
$-3$ minutes per day
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according to the table, what was the rate of change between 2019 and 20…
17
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each year the oak grove school district publishes its annual budget, wh…
$6$
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you volunteer to help drive children at a charity event to the zoo, but…
\(11440\)
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use the fact that the mean of a geometric distribution is $\\mu=\\frac{…
The mean is \(100\), the variance is \(9900\), and the standard deviation is approximately \(99.5\)
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example 2: the gas mileage a car gets is thought to have a distribution…
a) \( 0.0038 \) b) \( 1 \) c) \( 34.89 \)
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ch3 - population sigma known (σ) example 1: the average speed of a car …
The probability that the speed of a car is less than \(52.5\) mph is approximately \(0.2877\)
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example 2: assume that the weight loss for the first month of a diet pr…
A. \(P(8.3\leq X\leq9)=\frac{7}{60}\approx0.117\) B. \(P(6\lt X\lt7.2)=0.2\) C. \(P(X\lt10.5)=0.75\)
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example 1: a census was conducted at a university. all students were as…
a) \(0.85\) b) \(0.15\) c) \(0.975\)
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use the data to complete the frequency table below. drinks mocha latte …
| Drinks | mocha | latte | coffee | |--|--|--|--| | Drink Frequency | 7 | 5 | 4 |
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find the indicated probabilities using the geometric distribution, the …
D. None of the events are unusual.
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mr. woods owns a miniature golf course, but he thinks the course is too…
| Obstacle | Frequency | |--|--| | hills | 4 | | tunnels | 6 | | windmill | 6 |
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a sports network randomly surveyed 100 people to ask them if they prefe…
C. \(100:41\)
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find the indicated probabilities using the geometric distribution, the …
\(0.705\)
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find the indicated probabilities using the geometric distribution, the …
\(0.295\)
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samar is conducting research about comedian and actress lucille ball. w…
- a book about Ball's impact as a performer - a review of Ball's television show - an interview with Ball's costars
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find the indicated probabilities using the geometric distribution, the …
\(0.069\)
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meanwhile, the girl was in a hurry to arrive at her destination. in the…
A. Meanwhile
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13. the debate depicted in the documents is most related to (1) the art…
13. (2) ratification of the Constitution 14. (1) to support ratification of the Constitution 15. (2) separation of powers between the branches of government
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read the excerpt from eighty years and more: reminiscences, 1815 - 1897…
What does it mean to be equal to a boy, according to Stanton?
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8. among the contestants in a competition are 45 women and 25 men. if 5…
The probability that exactly two are men is approximately \(0.352\)
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a sample of 387 people is selected. the people are classified according…
\(0.05\)
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a sample of 293 adults is selected. the adults are classified according…
\(0.49\)
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let ( f(r) ) be the number of riders on a bus ( r ) hours after 8 a.m. …
- \(f(3) = 23\): There are 23 riders on the bus at 11 A.M. - \(f(0)=1\): There is 1 rider on the bus at 8 A.M. - \(f(5)>f(2)\): The number of riders on the bus at 1 P.M. is greate…
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what is generally true about rhyming couplets in poems? the rhymes help…
The rhymes help to complete a sentence or idea.
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the scatter plot shows the number of hours worked and money spent on en…
(a) increase (b) a positive (c) \(20\)
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the scatter plot shows the time spent texting and the time spent exerci…
- (a) decrease - (b) negative - (c) 5 hours
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give your answers rounded upto 3 decimal places. examples; 0.2478749077…
- \(P(X\geq10)\approx0.584\) - \(P(X = 12)\approx0.180\) - \(P(X\leq12)\approx0.584\) - \(P(9\leq X\leq11)\approx0.251\)
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use the ratio table to find the unit rate with the specified units. 23.…
23. \(4.5\) servings per package 24. \(3.6\) feet per year
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2.5 measures of the center of the data assignment submission for this a…
The median is \(26\) and the position of the median in an ordered list of numbers when the data - set contains an odd number of items is \(\frac{n + 1}{2}\) (where \(n\) is the nu…
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what is the meaning of green thumb? a cheerful point of view an ability…
an ability to grow plants well
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what is the meaning of all that glitters is not gold? not everything th…
not everything that looks good actually is
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what is the meaning of a bird in the hand is worth two in the bush? lea…
something certain is better than something you might not get
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what is the meaning of in the bag? feeling delighted a certainty almost…
a certainty
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what is the meaning of if the shoe fits, wear it? if something said abo…
if something said about you is true, accept it
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76% of u.s. adults think that political correctness is a problem in ame…
\(2.0\)
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read the passage and then answer the question. in 1773, the british par…
charges or fees on imports or exports
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76% of u.s. adults think that political correctness is a problem in ame…
Rounding $1.0944$ to the nearest tenth, we get $\sigma^{2}=1.1$
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an animal is randomly selected from this table. what is the probability…
\(\frac{1}{6}\)
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76% of u.s. adults think that political correctness is a problem in ame…
$4.6$
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a student is randomly selected from this table. what is the probability…
\(\frac{5}{28}\)
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question 5 4 pts when a financial institution is a mutual association, …
- Question 5: depositors. - Question 6: mutual associations.
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jane likes to exercise daily. the table shows the number of calories y …
319
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a symbol of freedom edouard de laboulaye, a french writer and law profe…
Edouard de Laboulaye wanted the Statue of Liberty to inspire freedom and democracy in France.
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the diagram below represents an experiment consisting of two independen…
\(\frac{9}{32}\)
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yearly rings every year, a tree grows a new ring of wood on the outer p…
Wide rings and narrow rings show differences in what was happening to the tree each year.
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this table displays the height of water as a pool is being filled. use …
Change for each consecutive input: \(1\) Change for each consecutive output: \(0.35\) Rate of change for the relationship: \(0.35\)
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vocabulary: multiple-meaning words identify the meaning of the underlin…
to be able to
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you read the following excerpt: \oh, the outrage over apps such as tikt…
The author uses irony to show that many people who are angry about technology use it when they want.
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vocabulary: multiple-meaning words identify the meaning of the underlin…
a flying mammal
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vocabulary: multiple-meaning words identify the meaning of the underlin…
a fee for a service
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a swimming pool has about 603 cubic feet of water. the pool liner has a…
In the function \(v(h)=-1.5h + 603\), \(h\) represents the number of hours and \(v(h)\) represents the volume of water in the pool. The slope \(-1.5\) means the volume of water is…
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most standardized tests of intelligence have a distribution of scores t…
follows the normal curve.
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which principle of art is an equal distribution of weight or attention …
Balance
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multiple choice 1 point which of the two, direct or circumstantial, is …
Direct.
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4) here is a graph that represents the quantities in this situation. a.…
a) \(\$850\) b) \(7\) weeks c) \(A = 125n+475\)
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a rabbit and turtle are in a race. is the relationship between distance…
The relationship between distance and time is proportional for the Turtle. The equation is \(d = 54t\). The relationship is not proportional for the Rabbit.
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67% of u.s. adults have very little confidence in newspapers. you rando…
\(0.798\)
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67% of u.s. adults have very little confidence in newspapers. you rando…
\(0.133\)
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select the correct text in the passage choose the sentence that shows a…
When people order the t - shirts, they are shipped directly to them via airplane or truck.
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67% of u.s. adults have very little confidence in newspapers. you rando…
\(P(5)\approx0.223\)